Taxonomic and Zoogeographic Study of the Japanese Phygadeuontinae (Hymenoptera, Ichneumonidae), with Descriptions of 17 New Species Author Watanabe, Kyohei Kanagawa Prefectural Museum of Natural History, 499 Iryuda, Odawara, Kanagawa 250 – 0031, Japan watanabe-k@nh‛kanagawa-museum‛jp text Bulletin of the Kanagawa Prefectural Museum (Natural Science) 2021 2021-03-30 50 55 136 https://doi.org/10.32225/bkpmnh.2021.50_55 journal article 300009 10.32225/bkpmnh.2021.50_55 70224806-ca38-47ca-bd8a-63da3ac532f9 2189-6720 12774639 DD695C62-DC2F-4D32-8D33-52648E28661D Paraphylax elegans sp. nov. (New SJN: Ishigaki-suji-togari-himebachi) ( Figs 22A–E , 64B , 66E ) Etymology . The specific name is from the elegant body coloration. Type series . Holotype : KPM-NK 55078 , F, JAPAN , Okinawa Pref. , Ishigakijima Is. , Mt. Omoto-dake , Takedarindo , 24. III. 2010 , H. Sawada leg. Description . Female (n=1). Body length 4.5 mm . Body polished, covered with silver setae. Head. Clypeus 1.9 times as wide as maximum length, its anterior margin rounded. Face densely granulate, with a median weak convexity ( Fig. 22B ). MSL 1.0 times as long as BWM. Frons covered with minute transverse striae and dense punctures. Gena and vertex finely and sparsely punctate. OOL as long as POL. OOL and POL longer than OD. Occipital carina complete, its lower end joined with hypostomal carina distant from mandibular base. Upper tooth of mandible slightly longer than lower tooth. Base of mandible flat. Antenna with 21 flagellomeres. FL III 4.4 times as long as maximum depth in lateral view. Mesosoma. Upper side of collar without a median carina. Lateral part of pronotum densely and finely punctate except for a dorsal smooth area. Epomia long ( Fig. 22D ). Mesoscutum coriaceous, obliquely striae posteriorly, with a shallow median longitudinal groove on the median lobe ( Fig. 22D ). Notaulus long, its posterior ends joined with each other posteriorly. Scutellum largely smooth, with a lateral longitudinal carina except for base. Mesopleuron longitudinally and minutely striate except for smooth speculum. Posterior transverse carina of mesosternum complete. Metapleuron minutely rugose-punctate, with a complete juxtacoxal carina. Anterior and posterior transverse carinae of propodeum complete ( Fig. 64B ). Pleural carina complete ( Fig. 64B ). Lateral longitudinal carina of propodeum present ( Fig. 64B ). Area basalis distinct ( Fig. 64B ). Area superomedia present and its lateral margins weak ( Fig. 64B ). Anterior and median parts of propodeum largely and shallowly punctate. Posterior parts of propodeum largely transversely rugose-punctate. Length of fore wing 3.6 mm . Areolet absent ( Fig. 22E ). Vein 2m-cu of fore wing with two bullae. Nervellus inclivous, intercepted slightly behind middle. Hind femur 4.7 times as long as maximum depth in lateral view. Hind TS I: II: III: IV: V = 2.0: 0.9: 0.6: 0.4: 0.5. Tarsal claws simple. Metasoma. T I 1.5 times as long as maximum width, densely and finely punctate except for smooth posterior margin. Median dorsal carina of T I absent. Dorsolateral carina of T I complete. T II and T III covered with minute longitudinal striae except for smooth posterior area on posterior 0.4 ( Fig. 22F ), interspace of striae densely punctate. T IV covered with minute longitudinal striae except for smooth posterior area on posterior 0.6. T V to T VII smooth with a few, fine, and sparse punctures. Ovipositor sheath 0.75 times as long as hind tibia. Ovipositor straight, with a pointed nodus and ventral teeth ( Fig. 66E ). Coloration ( Figs 22A–E ). Body (excluding wings and legs) black to blackish brown. Basal part of antenna reddish brown. Mandible yellow except for darkened apex. Palpi yellowish brown. Tegula reddish brown. Posterior part of T I tinged with reddish yellow. Basal 0.6 of T II reddish yellow. Membranous part of metasomal sternites whitish yellow. Ovipositor reddish brown. Wings hyaline, with a longitudinal clouded band just behind pterostigma and a small, clouded area subbasally. Veins yellowish brown to blackish brown. Pterostigma blackish brown. Fore and mid legs reddish brown to yellowish brown. Hind coxa, femur, tibia except for base, and tarsus except for base of TS I, blackish brown to black. Hind trochanter and trochantellus reddish brown. Base of hind tibia and TS I and tibial spurs whitish yellow. Fig. 21. Paraphylax agelenae (Momoi, 1966) , KPM-NK 81816, female from Japan ― A, lateral habitus; B, head, frontal view; C, metasoma, dorsal view; D, wings. Fig. 22. Paraphylax elegans sp. nov. , KPM-NK 55078, holotype, female ― A, lateral habitus; B, head, frontal view; C, head, mesosoma, and metasoma, dorsal view; D, head, mesoscutum, and scutellum, dorsal view; E, fore wing; F, T II and T III, dorsal view. Male. Unknown. Distribution . Japan (Ishigakijima Is.). Bionomics . Unknown. Remarks . This species resembles Pa. yambarensis sp. nov. in the T I without longitudinal striae but it can be distinguished by the above key.